Dina Y. Gewaily, MD
Ophthalmology Physician · Lancaster, PA
Dina Y. Gewaily, MD is an ophthalmology physician with a practice address in Lancaster, Pennsylvania, and NPI 1104054048, issued on Jun 30, 2009. Check the license (Pennsylvania MD448335, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Dina Y. Gewaily
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- MD448335 PA
Self-reported in NPPES; status is on the state search - Practice location
- 2150 Harrisburg Pike, Lancaster, PA 17601
- Phone
- (717) 399-8790
- Enumerated
- Jun 30, 2009
- Record last updated
- Sep 24, 2019 (not updated in 7 years: call before relying on the address or phone)
- Fax
- (717) 399-3279
- Medicare enrollment
- Enrolled (PECOS I20130702000709); accepts Medicare assignment
- Medical or professional school
- Warren Alpert Medical School Of Brown University, 2009
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 1,088 in Pennsylvania → Look up another NPI →
Also registered at 2150 Harrisburg Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Melissa Destefano, PA-CMedical Physician Assistant1265461313
Verify Dina Y. Gewaily in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD448335Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average ophthalmology physician in 2024
515 Medicare Part D claims for 129 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Prednisolone Acetate156 claims
- Difluprednate62 claims
- Ofloxacin61 claims
- Brimonidine Tartrate55 claims
- Ketorolac Tromethamine33 claims
- Dorzolamide Hcl25 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $333.04
10 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Lancaster Retina Specialists PCLancaster, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Dina Y. Gewaily among 1,088 ophthalmology physician records in Pennsylvania
Dina Y. Gewaily, MD is one of 1,088 ophthalmology physician records with a practice address in Pennsylvania. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 70% of them.
- NPI issued2009 · 70% of these records are older, 28% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated2009 · median 2000 among the 734 with a school on file
- Record last updated2019 · 64% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Pennsylvania
There are 1,088 ophthalmology physician records in Pennsylvania.
All 1,088 in Pennsylvania → Every provider in Lancaster → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Diane Corallo, MDLancaster, PA 176011619977790
- Sandford Frisch, MDLancaster, PA 176011407844616
- Kerry Givens, M.D.Lancaster, PA 176011528063948
- Stuart Goldberg, MDLancaster, PA 176011962402073
- Barton Halpern, MDLancaster, PA 176011629050661
- Theodore Jones, MDLancaster, PA 176011508857483
- Thomas Krulewski, MD PHDLancaster, PA 176011861480170
- Pierre Palandjian, D.O.Lancaster, PA 176011174513147
Common questions
What is Dina Y. Gewaily, MD's NPI number?
Dina Y. Gewaily, MD's National Provider Identifier (NPI) is 1104054048, issued on Jun 30, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Dina Y. Gewaily, MD located?
The NPPES record lists a practice address at 2150 Harrisburg Pike, Lancaster, PA, 17601. Phone: (717) 399-8790. Providers update this record themselves, so call before visiting.
How can I verify Dina Y. Gewaily, MD's license?
NPPES lists Pennsylvania license number MD448335, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Dina Y. Gewaily, MD prescribe under Medicare Part D?
In 2024, Dina Y. Gewaily, MD had 515 Medicare Part D claims for 129 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.